From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: Re: mdadm: sending ioctl 1261 to a partition! Date: Tue, 6 Mar 2012 07:01:43 +1100 Message-ID: <20120306070143.4f8abc0e@notabene.brown> References: <4F54B997.3060207@crc.id.au> <4F54D314.9060504@anonymous.org.uk> <4F550BA8.3010306@crc.id.au> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/hfFVK071UPMgnYpb3dfgcHf"; protocol="application/pgp-signature" Return-path: In-Reply-To: <4F550BA8.3010306@crc.id.au> Sender: linux-raid-owner@vger.kernel.org To: Steven Haigh Cc: John Robinson , linux-raid@vger.kernel.org List-Id: linux-raid.ids --Sig_/hfFVK071UPMgnYpb3dfgcHf Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Tue, 06 Mar 2012 05:53:28 +1100 Steven Haigh wrote: > On 6/03/2012 1:52 AM, John Robinson wrote: > > On 05/03/2012 13:03, Steven Haigh wrote: > >> I've noticed that recently I've managed to get a ton of messages like > >> this at boot: > >> > >> mdadm: sending ioctl 1261 to a partition! > >> mdadm: sending ioctl 800c0910 to a partition! > > > > It's probably harmless. > > > > http://lists.debian.org/debian-kernel/2012/01/msg01105.html says "This > > warning was introduced as part of the fix for CVE-2011-4127" > > > > https://bugzilla.redhat.com/show_bug.cgi?id=3D783955#c4 says "Actually, > > the warning seems a false positive to me" >=20 > I did see these - and I probably should have mentioned it in the=20 > original post. Naughty me for posting at times I should really be asleep. >=20 > The general jist of it seemed to be "it always failed before, now we=20 > just know about it". What makes me wonder is that if it always failed=20 > before, why do we do it in the first place? >=20 800c0910 is 'are you an md device'. So failure is a valid response. 1261 is flush-bufs. I hope that does still work on partitions.... NeilBrown --Sig_/hfFVK071UPMgnYpb3dfgcHf Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) iQIVAwUBT1Ubpznsnt1WYoG5AQJUHBAAvndKROYsFFrkUbqESOhd4ErUmYgrJz4T jZp9m0pztNwE4BY2qOhE5zUkLPvtFmY7urrZSKaauc7braumnOkYRz0vCMRH8AdM A1rRS3c5kWESwly/UfxvugwU/Uq3P7DXQZzrhfwJL7v0Fs5L6zoN0FDxdsKyOZIM fBsQ9lQPMi/hCVQRw0XWaZmydkHvwWdMr/n0gMAk2N7ZOT4A0/cNBZjcaFM73icC msGP+17CYPgiGKyA9HoTu1uKoqO0Zf4LyUFJ3XyFdH9em0ueIvtiJH9bQq8sAI2X d2hA19FeOh/+uyy7R5JnQwk6iTyk8blV0+tl5av9cxctSvo+D8DlWCtCa575giDU GgKEmygkvBoSjQ2bxXmV+CRtqwV3Z3BMBg8UlR8DBwI0HvNU7pJnIm2Qt8g+iO5D pJzlcXS67MbMl6Id+WbtYJORp2N2zOK3BtpPkxY+mP1ggWqbp7qRkH37xU1ERnmw EBWaSUCQ8vluNhONLhYfXixpFzzePSe+bSaxKWJ7NUDhZhifN6M/O7Dh8m4jrLLn DS8aaPw4MHx41sZlJUxHOUzFGCxtiMvQVaH/8yfusmty1TWgNrdNdjf+J+elUmBM yM7aJvisDYsJ0yVq9icAyD/hxVoxM7j+bnA/A2DvdTzoZozBVrYOkXdAPaYUJicD g/7KaP7Qk5Y= =8GOH -----END PGP SIGNATURE----- --Sig_/hfFVK071UPMgnYpb3dfgcHf--